I had been experiencing problems all week before last. I contacted Virgin on Tuesday they did a line test and they found a problem but they could not sort it out their end and was sending a technician out to check modem etc yesterday.

Tried it the next morning (Wednesday) and all worked great and now everything is working as normal again so i don' what happened there, and the technician did not turn up yesterday.

Just ring them up 0800 9535353 - Customer services & faults - ask to be put through to Cable modem support.